Description

2-Bromo-4,5-Dimethoxy-Benzenesulfonyl Chloride is a high-purity, reactive sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its dual functionality, enabling the introduction of both a sulfonyl group and a halogenated aromatic moiety into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, especially sulfonamide-based therapeutics.
• Agrochemical Synthesis: Building block for creating advanced herbicides, fungicides, and plant growth regulators.
• Material Science Research: Used in the development of specialty polymers and functional organic materials.
• Chemical Biology Probes: Employed in the design of activity-based probes and protein labeling reagents.
• Dye and Pigment Intermediate: Serves as a starting material for synthesizing complex chromophores.
• Cross-Coupling Reactions: The bromo substituent makes it a suitable substrate for palladium-catalyzed coupling reactions (e.g., Suzuki, Heck).

Basic Information

Item	Detail
Product Name	2-Bromo-4,5-Dimethoxy-Benzenesulfonyl Chloride
CAS No.	51072-64-1
Molecular Formula	C8H8BrClO4S
Molecular Weight	315.57 g/mol
Synonyms	2-Bromo-4,5-dimethoxybenzenesulfonyl chloride; 4,5-Dimethoxy-2-bromobenzenesulfonyl chloride; 2-Bromo-1,4-dimethoxybenzene-5-sulfonyl chloride; Benzenesulfonyl chloride, 2-bromo-4,5-dimethoxy-; 2-Bromo-4,5-dimethoxybenzene-1-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 2-Bromo-4,5-Dimethoxy-Benzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and commercial synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for prolonged storage or after opening to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.